/**
 * Created by Administrator on 2016/12/24 0024.
 */
$(function () {
    var st = 180;
    $('.navul > li').mouseenter(function () {
        $(this).find('.navtwo').stop(false, true).slideDown(st);
    }).mouseleave(function () {
        $(this).find('.navtwo').stop(false, true).slideUp(st);
    });
});